Arrangement for determining the operating temperature of exhaust gas probe in IC engine comprises evaluation unit connected to the probe, and switching arrangement arranged between the probe and the evaluation unit

摘要

Arrangement for determining the operating temperature of an exhaust gas probe (10) in an IC engine comprises an evaluation unit (56) for determining the actual operating temperature of the probe based on a temperature signal (UN). Arrangement for determining the operating temperature of an exhaust gas probe (10) in an IC engine comprises an evaluation unit (56) for determining the actual operating temperature of the probe based on a temperature signal (UN). The evaluation unit is connected with the probe and a switching arrangement (40) is arranged between the probe and the evaluation unit to produce the temperature signal acquired by the evaluation unit. The temperature-dependent conductivity of the probe is determined from the temperature signal.